r1bqkb1r/pppp1ppp/2n2n2/1B2p3/4P3/5N2/PPPP1PPP/RNBQK2R w KQkq - 4 4 ; C65 Ruy Lopez: Berlin Defense
r1bqkb1r/pppp1ppp/2n2n2/1B2p3/4P3/5N2/PPPP1PPP/RNBQ1RK1 b kq - 5 4 ; C65 Ruy Lopez: Berlin Defense
r1bqkb1r/pppp1ppp/2n2n2/1B2p3/4P3/3P1N2/PPP2PPP/RNBQK2R b KQkq - 0 4 ; C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation
r1bqkb1r/ppp2ppp/2Bp1n2/4p3/4P3/3P1N2/PPP2PPP/RNBQK2R b KQkq - 0 5 ; C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Anderssen Variation
r1bqkb1r/ppp2ppp/2np1n2/1B2p3/2P1P3/3P1N2/PP3PPP/RNBQK2R b KQkq - 0 5 ; C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Duras Variation
r1bqk2r/pppp1ppp/2n2n2/1Bb1p3/4P3/3PBN2/PPP2PPP/RN1QK2R b KQkq - 2 5 ; C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Kaufmann Variation
r1bqkb1r/pp1pnppp/2p2n2/1B2N3/4P3/3P4/PPP2PPP/RNBQK2R w KQkq - 0 6 ; C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer Trap
r1bqkb1r/ppppnppp/5n2/1B2p3/4P3/3P1N2/PPP2PPP/RNBQK2R w KQkq - 1 5 ; C65 Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer Variation
r1bqk2r/pppp1ppp/2n2n2/1Bb1p3/4P3/5N2/PPPP1PPP/RNBQ1RK1 w kq - 6 5 ; C65 Ruy Lopez: Berlin Defense, Beverwijk Variation
r1bqkb1r/pppp1ppp/2n5/1B2p3/4P1n1/5N2/PPPP1PPP/RNBQ1RK1 w kq - 6 5 ; C65 Ruy Lopez: Berlin Defense, Fishing Pole Variation
r1bqkb1r/pppp1ppp/2n2n2/1B6/3pP3/5N2/PPP2PPP/RNBQ1RK1 b kq - 1 5 ; C65 Ruy Lopez: Berlin Defense, Nyholm Attack
r2qk2r/pppbbppp/2np1n2/1B2p1B1/3PP3/2N2N2/PPP2PPP/R2Q1RK1 b kq - 4 7 ; C66 Ruy Lopez: Berlin Defense, Closed Bernstein Variation
r2qk2r/pppbbppp/2Bp1n2/4p3/3PP3/2N2N2/PPP2PPP/R1BQ1RK1 b kq - 0 7 ; C66 Ruy Lopez: Berlin Defense, Closed Showalter Variation
r2qkb1r/pppb1ppp/2np1n2/1B6/3pP3/2N2N2/PPP2PPP/R1BQ1RK1 w kq - 0 7 ; C66 Ruy Lopez: Berlin Defense, Closed Wolf Variation
r2qk2r/pppbbppp/2np1n2/1B2p3/3PP3/2N2N2/PPP2PPP/R1BQ1RK1 w kq - 3 7 ; C66 Ruy Lopez: Berlin Defense, Hedgehog Variation
r1bqkb1r/ppp2ppp/2np1n2/1B2p3/4P3/5N2/PPPP1PPP/RNBQ1RK1 w kq - 0 5 ; C66 Ruy Lopez: Berlin Defense, Improved Steinitz Defense
r2q1rk1/pppbbppp/2np1n2/1B2p3/3PP3/2N2N2/PPP2PPP/R1BQR1K1 w - - 7 8 ; C66 Ruy Lopez: Berlin Defense, Tarrasch Trap
r2k1b1r/pppb1ppp/2p5/4Pn2/8/2N2N2/PPP2PPP/R1B2RK1 w - - 2 10 ; C67 Ruy Lopez: Berlin Defense, Berlin Wall
r1bqk2r/p1ppbppp/2p5/4Pn2/8/5N2/PPP1QPPP/RNB2RK1 w kq - 1 9 ; C67 Ruy Lopez: Berlin Defense, Cordel Variation
r1bqk2r/ppppbppp/2n5/1B2P3/4n3/5N2/PPP2PPP/RNBQ1RK1 b kq - 0 6 ; C67 Ruy Lopez: Berlin Defense, Minckwitz Variation
r1bqk2r/pnppbppp/2p5/4P3/8/1P3N2/P1P1QPPP/RNB2RK1 b kq - 0 9 ; C67 Ruy Lopez: Berlin Defense, Pillsbury Variation
r1bqkb1r/pppp1ppp/2n5/1B2p3/4n3/5N2/PPPP1PPP/RNBQ1RK1 w kq - 0 5 ; C67 Ruy Lopez: Berlin Defense, Rio Gambit Accepted
r1bqk2r/ppppbppp/2n5/1B2p3/3Pn3/5N2/PPP2PPP/RNBQ1RK1 w kq - 1 6 ; C67 Ruy Lopez: Berlin Defense, Rio de Janeiro Variation
r1bq1rk1/p1ppbppp/8/2p1P3/3B4/2N5/PPP1QPPP/R3R1K1 w - - 0 14 ; C67 Ruy Lopez: Berlin Defense, Rio de Janeiro Variation
r1bqkb1r/1ppp1ppp/p1n5/1B2p3/3Pn3/5N2/PPP2PPP/RNBQ1RK1 w kq - 0 6 ; C67 Ruy Lopez: Berlin Defense, Rosenthal Variation
r1bqk2r/ppp1bppp/2n5/1B1pp3/3Pn3/5N2/PPP1QPPP/RNB2RK1 w kq - 0 7 ; C67 Ruy Lopez: Berlin Defense, Trifunovic Variation
r1bqk2r/pnppbppp/2p5/4P3/3N4/8/PPP1QPPP/RNB2RK1 b kq - 2 9 ; C67 Ruy Lopez: Berlin Defense, Winawer Attack
r1bqk2r/pnppbppp/2p5/4P3/2P5/5N2/PP2QPPP/RNB2RK1 b kq - 0 9 ; C67 Ruy Lopez: Berlin Defense, Zukertort Variation
r1bqkb1r/pppp1ppp/2nn4/1B2p3/3P4/5N2/PPP2PPP/RNBQ1RK1 w kq - 1 6 ; C67 Ruy Lopez: Berlin Defense, l'Hermet Variation
r1bk1b1r/ppp2ppp/2p5/4Pn2/8/5N2/PPP2PPP/RNB2RK1 w - - 0 9 ; C67 Ruy Lopez: Berlin Defense, l'Hermet Variation, Berlin Wall Defense
r1bqkb1r/ppp2ppp/2p5/4P3/4n3/5N2/PPP2PPP/RNBQ1RK1 w kq - 1 8 ; C67 Ruy Lopez: Berlin Defense, l'Hermet Variation, Westerinen Line